Answer:
Said to have fifty shades
What is not a ball but yet a sphere, and holds all lands and people year after year?
It is in every mountain, it's not in any hill, it's not in all the world, and yet it's in the mill.
One am I, among six others: Largest, smallest, cold, dark and two brothers
MT_TF_S What are the missing letters? Why?
I tell people to be careful when handling boxes.